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A Shot In The Volcano; A Humorous Travelogue About Java By Dé-Lilah (1896), Olf Praamstra

Wacana, Journal of the Humanities of Indonesia

In 1899 Dé-Lilah, pseudonym of Lucy van Renesse-Johnston (1862-1906), published a travel story in two parts, Mevrouw Klausine Klobben op Java (Mrs Klausine Klobben on Java). It was an account of an early tourist trip she had made in 1896. According to Van Renesse, she undertook her journey to do environmental research on Java as well as ethnographic research on the native and European inhabitants of the island. But that was just a pretext for a woman who travelled alone to climb volcanoes, visit shrines and talk to the various inhabitants of Java. She was able to do so because …

Tourist Cycling Trips In The Tropics; The Ideological Landscape Of Recreational Bike Rides In The Former Netherlands East Indies At The End Of The Nineteenth Century, Nick Tomberge

Wacana, Journal of the Humanities of Indonesia

Although previous research shows that the introduction of bicycles drove recreational travel in Western Europe, North America, and Australia, to this day, little is known about tourist cycling in other parts of the world. Nevertheless, a broader geographical context is desirable: the study of the early days of tourist cycling in former European colonies in Southeast Asia can enhance our understanding of the strong political dimensions of tourist travel in a colonial context, as it is interconnected with the project of imperialism, technological change, and modernity. This article examines the early days of tourist cycling in the former Netherlands East …

The Effectiveness Of Weighted Blankets As A Sleep Promoting Behavior: A Quasi -Experimental Study, Irish Amalia, Sali R. Asih, Inge U. Wiswanti, Ina Saraswati

Psychological Research on Urban Society

Sleep is crucial to the overall well-being of individuals. Sleep deficiency can lead to various physical and mental health issues, including more severe insomnia, anxiety, and depressive symptoms. Improving sleep quality is often emphasized through sleep hygiene. An emerging nonpharmacological intervention is the use of weighted blankets, which apply deep-pressure stimulation to promote feelings of relaxation, comfort, and security similar to a gentle hug. This study explored the effects of weighted blankets on sleep quality and symptoms of insomnia, anxiety, and depression. Thirty participants (M = 33 years, SD = 9.13) used weighted blankets for 14 nights. They completed the …

Geological Structure And Possible Mineralized Zones In Ikungi – Manyoni Area, Tanzania: Delineated From High-Resolution Aeromagnetic Data, Raymond K. Pius, Michael M. Msabi

Tanzania Journal of Science

Understanding geological structures is important in mineral exploration. Delineating subsurface geological structures, structural intersections, and complexities of potential geological settings for the formation of hydrothermal mineral deposits, such as gold requires using magnetic data, particularly, high-resolution aeromagnetic data. To define possible targets for mineral exploration, this study used linear detection and the Centre for Exploration Targeting (CET) techniques on high-resolution aeromagnetic data for structural delineation and interpretation. The study's conclusions indicate that the majority of geological features, such as faults, shears, fault intersections, and fracture systems, trend NE-SW, N-S, and occasionally NW-SE. These structures create potentially large areas that have …

Extraction Of Natural Dyes From Delonix Regia Flowers For Cotton Fibres, Lutamyo Nambela, Liberato V Haule

Tanzania Journal of Science

Textile colouration is among the major industry that pollutes the environment with effluents rich in dye chemicals. Most of the dyes used are synthetics which possess health and environmental impacts. Potentially, the use of bio-based dyes and other chemicals can lessen the environmental challenges of the textile effluents. This study reports on sustainable extraction and dyeing of cotton fabric using extract of Delonix regia flowers. The extraction process was done using acidified water as a solvent and the dyeing process was free from hazardous auxiliary chemicals. To improve the dyeing performance, banana sap was used as an affordable and eco-friendly …

Modeling The Transmission Dynamics Of Tuberculosis In Humans, Farida Kisinda, Joshua A. Mwasunda, Mbwiga S. Aloni

Tanzania Journal of Science

Tuberculosis (TB) is a major threat to human health particularly in most of developing countries. In this article, we formulate and analyze a deterministic model for the transmission dynamics of pulmonary and extra-pulmonary tuberculosis. The next generation method is employed to find the basic reproduction number which helps to determine whether TB clears or persists in the human population. Global stability of model equilibria is done through Lyapunov functions whereas the normalized forward sensitivity index method is adopted to determine parameters that drive tuberculosis. Analysis shows that both TB free and endemic equilibria exist. The TB free equilibrium is globally …

The Effects Of Algal Blooms On Oxygen Levels In Lakes Babati And Eyasi, Tanzania, Amelia S. Buriyo, Nyatwere D. Mganga, Mary Melchiory

Tanzania Journal of Science

Globally aquatic ecosystems are reportedly overwhelmed by algal blooms due to excessive deposition of nutrients which ultimately cause hypoxia, leading to massive fish death. This study aimed at assessing the relationship between algae contents and dissolved oxygen (DO) in Lake Babati which is threatened by anthropogenic activities, whereas Lake Eyasi was used as a control. Algae contents (chlorophyll a), DO and surface water temperature were measured using standard methods. Results revealed that the mean algae content was significantly higher (4.47±0.88 mg/L) in Lake Babati than in Lake Eyasi (1.6±0.45 mg/L) (P < 0.05) and was beyond the standard permissible levels for domestic water supply and healthy ecosystem. Conversely, DO was significantly lower in Lake Babati than in Lake Eyasi (P < 0.05). There was no significant difference in water temperature in the two lakes (P > 0.05). Furthermore, there was an inverse relationship between algae …

The Attitudes And Beliefs Of Midlife Women Towards Physical Activity: A Meta-Ethnography, Anne Daykin, Angela Porter, Simon Fryer, Francine Toyer

South West Clinical School Journal

#400WORDS: DELIVERING A RESEARCH SKILLED WORKFORCE SPECIAL EDITION

Angular Distribution Of Bremsstrahlung Spectral Temperature Measured In A Full Dimension Of Ecr Ion Source Using Nai(Ti) Detector, Mwingereza J. Kumwenda

Tanzania Journal of Science

Measurement of angular distribution (AD) of the bremsstrahlung spectral temperature from a full dimension of the Electron Cyclotron Resonance Ion Source (ECRIS) along the beam axis is challenging. To overcome some challenges, this paper presents the AD of the bremsstrahlung spectral temperature measured in a full dimension of the ECRIS along the beam axis using data obtained from the Busan Center of Korea Basic Science Institute (KBSI). The bremsstrahlung spectral temperature from 28-GHz ECR Ion source at the KBSI was measured in six, three, and nine azimuthal angles at the injection, centre, and extraction sides of the ECRIS using three …

Influence Of Stacking Order On The Structural And Optical Properties Of Cu2znsns4 Absorber Layer Prepared From Dc-Sputtered Oxygenated Precursors, January S Gwaydi, Hezekiah B Sawa, Egidius R Rwenyagila, Nathanael R Komba, Talam E Kibona, Nuru R Mlyuka, Margaret E Samiji, Lwitiko P Mwakyusa

Tanzania Journal of Science

Several studies have attempted to overcome the sudden volume expansion of the precursor during sulfurization by the use of oxygen-containing precursors when growing the CZTS absorber. This work demonstrates the influence of precursor stacking orders on the properties of the CZTS thin film absorber layer from DC-sputtered oxygenated precursors for solar cell applications. CZTS absorber layers were prepared from three types of DC-sputtered stacks, namely, Zn-O/Sn/Cu, Sn/Zn-O/Cu, and Sn/Cu/Zn-O. The precursors were sequentially deposited on a soda lime glass (SLG) using DC-magnetron sputtering and annealed in a sulfur and nitrogen ambient. X-ray diffractometry (XRD) and Raman spectroscopy analyses reveal the …

Microbiological Quality Of Irrigation Water And Leafy Vegetables In Dar Es Salaam, Tanzania, Bubelwa L. Kamara, Godwill D. Mrema, Thomas J. Lyimo

Tanzania Journal of Science

The quality of water used for the irrigation of leafy vegetables in urban settings is in doubt due to contamination associated with poor hygiene and water pollution. This study examined the microbiological quality of irrigation water and leafy vegetables at Chang’ombe in Dar es Salaam, Tanzania as well as the perceptions and level of awareness of nearby consumers. Water and leafy vegetable samples were analysed for faecal coliform (FC) using standard techniques. Perception and awareness of consumers were collected using a questionnaire survey. The results showed an average FC count of 406.1 ± 16.40 MPN/100 ml for the irrigation water. …

Effects Of Bending And Re-Bending On Mechanical Properties Of Locally-Manufactured Steel Rebars, Patrick W. Waruhiu, Simon I. Marandu, Mussa I. Mgwatu

Tanzania Journal of Science

Steel rebars experience deformation when subjected to bending and re-bending operations. Subsequently, their microstructures are impaired thus affecting the mechanical properties and leading to failure. This study establishes the effects of bending and re-bending the steel rebars on the mechanical properties. Experiments were conducted to determine the effects of bending and re-bending of the steel rebars. Testing was conducted on Ten virgin and Thirty specimens which were bent and re-bent at 45º, 90º, and 180º, and followed by tensile tests. Yield strength, ultimate tensile strength, elongation, and ultimate tensile strength to yield strength ratio (Rm/Re), were recorded. Results showed the …

Modelling The Combined Use Of Long-Lasting Insecticidal Nets And Insecticides Zooprophylaxis Against The Resilience Of Anopheles Arabiensis For Effective Malaria Control, Watson Levens

Tanzania Journal of Science

Malaria is a significant public health concern, especially in tropical regions. It remains endemic in many areas where malaria mosquitoes are prevalent. This study investigates the viability of insecticide zooprophylaxis (IZ) in conjunction with Long Lasting Insecticidal Nets (LLINs) as a strategic approach to combat malaria transmission, particularly in regions dominated by zoophagic vectors. Through the presentation and analysis of a mathematical model that integrates IZ and LLINs for the control of Anopheles arabiensis (An. arabiensis), the research underscores IZ's role in reducing zoophagic vector populations and enhancing malaria control efforts. Notably, the study reveals that achieving comprehensive coverage of …

Green And Blue Water Footprints Of Major Crops In The Wami/Ruvu Basin, Tanzania: Implications For Water Scarcity And Sustainability, Benson Hm Lazaro, Martine M. Hagai, Rubhera Ram Mato

Tanzania Journal of Science

Accurate estimation of the blue and green water requirements of the various crops cultivated in a water basin is essential for planning specific plant/crop irrigation schedules. In this study, the crop water requirements of the major crops grown in the Wami/Ruvu basin were determined using the FAO-CROPWAT model based on meteorological parameters: monthly maximum and minimum temperature, wind speed, mean relative humidity, sunshine hours, rainfall data, and effective rainfall for 23 hydro-meteorological stations distributed in the study area. The studied crops are rice, maize, beans, tomatoes, and sugarcane. The crop reference evapotranspiration (ETo) and actual evapotranspiration (ETc) for each crop …

Characterizing Brain And Skull Mechanics In The Minipig Using Magnetic Resonance Elastography, Shuaihu Wang

McKelvey School of Engineering Graduate Student Theses & Dissertations

Computational models and simulation are important tools to investigate the mechanisms underlying traumatic brain injury (TBI); their accuracy depends strongly on accurate model parameters, including the mechanical properties of the brain and its interactions with the skull. However, most existing TBI modeling studies are performed using material properties derived from animal tissue obtained after death. Magnetic resonance elastography (MRE) provides a non-invasive method for estimating the mechanical properties of soft tissue. The overall objective of this thesis is to characterize the biomechanical properties of brain tissue and brain-skull interface in the minipig by using MRE. This was achieved through pursuit …

Inference For Time Series In Change Points And Statistical Learning, Jiaqi Li

Arts & Sciences Graduate Student Theses and Dissertations

This study aims to develop a comprehensive framework for inference theory in time series, with a focus on change-point detection and online learning. First, we introduce an $\ell^2$-based inference approach for multiple change-point detection in high-dimensional time series, which targets dense or spatially clustered signals by a novel Two-Way MOSUM (moving sum) test statistic. We derive the limiting distribution of this $\ell^2$-aggregated statistic by extending the high-dimensional Gaussian approximation to non-stationary spatial-temporal processes. Simulation exhibits promising performance of our test in detecting non-sparse weak signals, and the application to COVID-19 analysis shows the real-world relevance of our method. Next, we …

Moderating Effect Of Secondary Victimization On The Relationship Between Resilience And Sexual Assault Coping Self-Efficacy, Jamie Layton

Clinical Psychology Dissertations

Sexual assault is a prevalent public health concern that effects thousands of people every year. How each of these individuals responds is different. There are multiple factors that can impact someone’s response to sexual assault, one of which is resilience, and another is secondary victimization. Legal advocacy programs can be used to help reduce secondary victimization and increase sexual assault coping self-efficacy, while controlling for age and race. This dissertation examines the way that secondary victimization moderates the relationship between resilience and sexual assault coping self-efficacy. Participants were at least 18 years old, a cisgender woman, English speaking, and a …

Improving Technology For Producing Complex Fertilizer From Low-Grade Phosphorites Of The Central Kyzylkum, A.Zh. Allamuratova, A.U. Erkaev, A.M. Reimov, Saparbay Kazakhbaev, Dilshodbek Kurbiyazov

Chemical Technology, Control and Management

The methods of nitric acid processing of phosphate raw materials are analyzed. A technology has been developed for the nitric acid processing of phosphate raw materials into nitrogen-phosphorus fertilizer with the implementation of the process in a condensed pulp by adding sulfuric acid. A technology for producing complex fertilizers with a wide range of N:P₂O₅:K₂O ratios with improved physico-chemical parameters due to the introduction of various potassium salts into the process is proposed.

Algorithms For Structural Synthesis Of Control Systems For Dynamic Objects Under Conditions Of Unmeasurable Disturbances, Husan Zakirovich Igamberdiev, Uktam Farkhodovich Mamirov, Bunyod Mamurjon Ugli Buronov

Chemical Technology, Control and Management

The paper talks about ways to use inverse dynamic models to structure a control system for moving objects when disturbances are not measured. To solve the main problems that arise when implementing the inverse dynamic model method, methods for synthesizing inverse systems with given dynamic characteristics are used. The solution to this problem is obtained based on the theory that dynamic observers are invariant to unmeasured input influences. We broke down the matrix operator on the right into elementary orthogonal rotation matrices and on the left into permutation matrices to get a stable answer to the equation of the current …

Artificial Neural Network Based Grain Moisture Measuring Device, Erkin Eljaev, Shohrux Nurali O‘G‘Li Narzullayev, Elyor Faxriddinovich Khudoyberdiev

Chemical Technology, Control and Management

To date, the intellectualization of solving technical issues in managing, controlling, and measuring technological processes in all branches of industrial production is considered an urgent task. In this regard, a class of intelligent devices and sensors has emerged. Intelligent devices and sensors differ from their analog counterparts in that they have functions such as automatic adjustment of the measurement range, self-calibration, data processing, and decision-making. The article discusses the development of intelligent measuring instruments based on a capacitive transducer for measuring the moisture content of grain and grain products.

Advancing Mobile Sensing In Dynamic Environments, Weichen Wang

Dartmouth College Ph.D Dissertations

This thesis presents a comprehensive exploration of enhancing mobile sensing capabilities to address various aspects of human behavior, mental health, personality, social functioning and beyond. We redesign the StudentLife app to improve its sensing efficiency and dependability, enabling support for multi-year-long studies. By adopting new app design, this study addresses the technical challenges of continuous sensing and enhances system robustness. The work is organized into several key studies that collectively aim to expand the scope of mobile sensing in diverse and complex environments.

The first study broadens the scope of mobile sensing to assess personality traits, exploring the potential of …

Relationship Of Stress And Other Factors With Emotional Eating Among Adolescents In Depok, Muthia Syifa Rahmadina, Asih Setiarini

Indonesian Journal of Public Health Nutrition (IJPHN)

Emotional eating is an overeating behavior as a coping mechanism for negative emotions that emerges in adolescence. Emotional eating causes obesity, eating disorders, and non-communicable diseases. This study aims to determine the relationship between stress, body image, peer influence, parental rearing styles, social media use, sex, sleep quality, and emotion regulation with emotional eating among adolescents at senior high school in Depok. This cross-sectional quantitative study was conducted online in March 2022. The samples were grade X and XI students from senior high school in Depok who were chosen by using purposive sampling techniques (n=174). Chi X2 test and Mann …

Sugar-Sweetened Beverages Consumption Based On Individual And Environmental Factors Among The Faculty Of Public Health Universitas Indonesia’S Students In 2023, Safira Diva Aranis, Wahyu Kurnia Yusrin Putra, Asih Setiarini, Teguh Jati Prasetyo

Indonesian Journal of Public Health Nutrition (IJPHN)

Sugar-sweetened beverages (SSB) are beverages that contain added sugars. Excessive consumption of SSB can have an impact on health. Some of the effects caused by SSB include obesity, fatty liver, type II diabetes, hypertension, heart disease, nutritional deficiencies, and dental caries. This research aims to determine the differences in the proportion of SSB consumption based on individual and environmental factors among students of the Faculty of Public Health UI (FPH UI) in 2023. This study uses a cross sectional design with a sample size of 194 individuals. The researcher collected data including respondent’s identities, habits of reading food labels, knowledge …

The Differences In Maternal Clean And Healthy Living Behavior In The Incidence Of Stunting In Yogyakarta, Shafa Ramadhita, Anindhita Syahbi Syagata, Nor Eka Noviani

Indonesian Journal of Public Health Nutrition (IJPHN)

An indirect cause of stunting is maternal behavior. Moreover, good nutritional knowledge relates to good nutritional behaviors. Maternal clean and Healthy Living Behavior (PHBS) in daily life can reduce the risk of infectious diseases and be role models for children in implementing their future health behavior. The study aims to investigate the differences in PHBS of mothers in the incidence of stunting ages 24-59 months in the Minggir Primary Health Center working area. The cross-sectional approach of this research was conducted from March to April 2023. The subjects of this study were 69 respondents selected by cluster random sampling. The …

Factors Associated With Wasting In Toddlers Aged 6 – 59 Months At Cimpaeun Village, Depok City, West Java, Indonesia In 2023, Early Vici Azmia, Triyanti Triyanti

Indonesian Journal of Public Health Nutrition (IJPHN)

The prevalence of wasting under five in Indonesia in 2022 is 7.7%; according to WHO, this wasting problem is a serious public health problem. Wasting is a nutritional problem in toddlers that has an impact on morbidity and mortality. The research objective was to determine the factors associated with wasting in toddlers aged 6–59 months in Cimpaeun Village in 2023. The dependent variable is wasting, and the independent variables are birth weight, history of fever, diarrhea, acute respiratory infection, energy intake, carbohydrate intake, protein intake, fat intake, mother’s age, pregnancy, mother’s education level, mother’s nutritional knowledge, and family income. This …

The Relationship Of Energy And Nutrient Intake From Eating Out And Eating At Home On Blood Hemoglobin Levels In Adolescents, Adinda Aisyah Putri, Khoirul Anwar

Indonesian Journal of Public Health Nutrition (IJPHN)

Eating out of home is a common practice in adolescents. The high frequency of eating out of home characterized by higher intakes of energy, fats, sugar, and sodium. anemia, especially iron deficiency anemia which is characterized by blood hemoglobin levels, is still a nutritional problem in Indonesia in adolescents which can have an impact on adolescent health. The aim of this study was to determine the relationship between eating out and hemoglobin levels in adolescents in Jakarta. This research is an observational study with a cross sectional research design. The subjects of this research were female students aged 15-17 years. …

Papaya Maturity Detection Based On Multi-Target Sampling And Improved Mask R-Cnn, Qi Guohong, Zhang Yunlong, Su Man

Food and Machinery

Objective: Improve the accuracy and robustness of papaya ripeness detection. Methods: A method of papaya ripeness detection based on multi-target sampling and improved Mask R-CNN was proposed. In the process of data expansion, the method introduced multi-object sampling technology to generate enhanced images from small data sets taken under controlled conditions, which was conducive to extending the proposed method to data sets with complex features of actual papaya images. The effectiveness and robustness of the proposed method were verified by means of average accuracy, accuracy, accuracy-recall curve and calculation time, and the results of papaya ripeness detection effect were compared …

Family Values And Verbal Bullying Among Secondary School Adolescents In Uyo Local Education Committee, Gertrude Jeremiah Udoh

Jurnal Kajian Bimbingan dan Konseling

This study was to determine the relationship between family values and verbal bullying among secondary school adolescents in Uyo Local Education Committee. Two research questions were raised, and two hypotheses formulated and tested at .05 level of significant. A correlational survey design was adopted while the population of the study comprised all 6,613 senior secondary Two (SS2) students in the fifteen (15) public secondary schools in the study area. A sample size of 378 senior secondary two (SS2) was selected for the study using Taro Yamane sampling formulae. To get adequate sampled schools, balloting method of random sampling was used …

Determinant Factors Of Academic Stress: A Study Of First-Year University Students In Indonesia, Ade Herdian Putra, Zadrian Ardi

Jurnal Kajian Bimbingan dan Konseling

Academic stress can reduce academic performance in first-year university students. Based on theoretical studies and previous research, three factors are predicted to influence academic stress: academic self-efficacy, life satisfaction, and happiness. This study analyzes the correlation of academic self-efficacy, life satisfaction, and happiness with first-year university students' academic stress. This research uses a quantitative approach with correlational methods and path analysis. The participants in this research were 720 first-year university students in Indonesia. The research instruments used were the Academic Self-Efficacy Scale, Life Satisfaction Scale, Happiness Scale, and Academic Stress Scale. Research data was collected online and then analyzed using …

Building Software At Scale: Understanding Productivity As A Product Of Software Engineering Intrinsic Factors, Gauthier Ingende Wa Boway

Master's Theses

During our education at KSU, we have learned about various factors that affect productivity such as schedule, budget, and risks, but those are often controlled outside of what we could learn as software engineering principles, patterns, or practices. On top of that, other off-work factors such as health conditions, emotional distress, or political climate, just to name a few, could drastically affect the productivity of a software engineering team. We see a demarcation between those factors that affect productivity in software engineering but are not inherent to the discipline itself, which we call resistance factors, and the factors that are …